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Commit fa39dc43 authored by Paul Mackerras's avatar Paul Mackerras
Browse files

powerpc32: Limit memory to lowmem if !CONFIG_HIGHMEM. 



This trims off the extra unusable memory from the lmb structure,
so we don't try to use it.

Signed-off-by: default avatarPaul Mackerras <paulus@samba.org>
parent b41fc4f8

arch/powerpc/mm/init_32.c

+3 −0
Original line number Diff line number Diff line
@@ -154,10 +154,13 @@ void __init MMU_init(void) 
	 * in the fixed entries */

	adjust_total_lowmem();

#endif /* CONFIG_FSL_BOOKE */



	if (total_lowmem > __max_low_memory) {

		total_lowmem = __max_low_memory;

#ifndef CONFIG_HIGHMEM

		total_memory = total_lowmem;

		lmb_enforce_memory_limit(total_lowmem);

		lmb_analyze();

#endif /* CONFIG_HIGHMEM */

	}